Android实现点击某个按钮指定位置弹出布局

package com.topcee.report.report;
 
import android.app.Activity;
import android.content.Context;
import android.graphics.Color;
import android.graphics.drawable.ColorDrawable;
import android.os.Bundle;
import android.view.Gravity;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.ListView;
import android.widget.PopupWindow;
import android.widget.TextView;
 
import com.topcee.report.R;
 
import java.util.ArrayList;
import java.util.List;
 
public class HomeActivity extends Activity {
 private Context context;
 private List reportList;
 private List productList;
 private TextView tvReport;
 private TextView tvProduct;
 private TextView tvCompany;
 private String reportName = "";
 private String productName = "";
 private String companyName = "";
 private ListView lvData;
 @Override
 protected void onCreate(Bundle savedInstanceState) {
  super.onCreate(savedInstanceState);
  setContentView(R.layout.activity_home);
  cOntext= HomeActivity.this;
  initView();
 }
 private void initView(){
  lvData = findViewById(R.id.lv_data);
  lvData.setOnItemClickListener(new AdapterView.OnItemClickListener() {
   @Override
   public void onItemClick(AdapterView<&＃63;> parent, View view, int position, long id) {
 
   }
  });
  tvReport = findViewById(R.id.tv_report);
  tvProduct = findViewById(R.id.tv_product);
  tvCompany = findViewById(R.id.tv_company);
  tvReport.setOnClickListener(new View.OnClickListener() {
   @Override
   public void onClick(View v) {
    showReportDialog();
   }
  });
  tvProduct.setOnClickListener(new View.OnClickListener() {
   @Override
   public void onClick(View v) {
    showProductDialog();
   }
  });
  tvCompany.setOnClickListener(new View.OnClickListener() {
   @Override
   public void onClick(View v) {
    
   }
  });
 }
 
 /**
  * 报表弹窗
  */
 private void showReportDialog(){
  reportList = new ArrayList<>();
  reportList.add("生产报表");
  reportList.add("设备报表");
  reportList.add("抛料率报表");
  reportList.add("在线预警报表");
  View view = LayoutInflater.from(context).inflate(R.layout.popupwindow, null);
 
  // 为了演示效果，简单的设置了一些数据，实际中大家自己设置数据即可，相信大家都会。
  ListView lsvMore = (ListView) view.findViewById(R.id.lsvMore);
  lsvMore.setAdapter(new ArrayAdapter(context, android.R.layout.simple_list_item_1, reportList));
 
  // 创建PopupWindow对象，指定宽度和高度
  PopupWindow window = new PopupWindow(view, ViewGroup.LayoutParams.WRAP_CONTENT,ViewGroup.LayoutParams.WRAP_CONTENT);
  window.setWidth(tvReport.getWidth());
  // 设置动画
//  window.setAnimationStyle(R.style.popup_window_anim);
  // 设置背景颜色
  window.setBackgroundDrawable(new ColorDrawable(Color.parseColor("#FFFFFF")));
  // 设置可以获取焦点
  window.setFocusable(true);
  // 设置可以触摸弹出框以外的区域
  window.setOutsideTouchable(true);
  // 更新popupwindow的状态
  window.update();
  // 以下拉的方式显示，并且可以设置显示的位置
//  window.showAsDropDown(tvReport, 0, 20);
  window.showAtLocation(tvReport, Gravity.LEFT | Gravity.BOTTOM, 0, 50);//这里的50是因为我底部按钮的高度是50
  lsvMore.setOnItemClickListener(new AdapterView.OnItemClickListener() {
   @Override
   public void onItemClick(AdapterView<&＃63;> parent, View view, int position, long id) {
    if("生产报表".equals(reportName)){
 
    }
   }
  });
 }
 
 /**
  * 生产情况弹窗
  */
 private void showProductDialog(){
  productList = new ArrayList<>();
  productList.add("生产描述");
  productList.add("生产进度");
  productList.add("生产指标");
  productList.add("异常信息");
  View view = LayoutInflater.from(context).inflate(R.layout.popupwindow, null);
 
  // 为了演示效果，简单的设置了一些数据，实际中大家自己设置数据即可，相信大家都会。
  ListView lsvMore = view.findViewById(R.id.lsvMore);
  lsvMore.setAdapter(new ArrayAdapter(context, android.R.layout.simple_list_item_1, productList));
 
  // 创建PopupWindow对象，指定宽度和高度
  PopupWindow window = new PopupWindow(view, ViewGroup.LayoutParams.WRAP_CONTENT,ViewGroup.LayoutParams.WRAP_CONTENT);
  window.setWidth(tvProduct.getWidth());
  // 设置动画
//  window.setAnimationStyle(R.style.popup_window_anim);
  // 设置背景颜色
  window.setBackgroundDrawable(new ColorDrawable(Color.parseColor("#FFFFFF")));
  // 设置可以获取焦点
  window.setFocusable(true);
  // 设置可以触摸弹出框以外的区域
  window.setOutsideTouchable(true);
  // 更新popupwindow的状态
  window.update();
  // 以下拉的方式显示，并且可以设置显示的位置
//  window.showAsDropDown(tvProduct, 0, 20);
  window.showAtLocation(tvProduct, Gravity.CENTER | Gravity.BOTTOM, 0, 50);
  lsvMore.setOnItemClickListener(new AdapterView.OnItemClickListener() {
   @Override
   public void onItemClick(AdapterView<&＃63;> parent, View view, int position, long id) {
    productName = productList.get(position);//获取点击的状态名字
 
   }
  });
 }
}

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